Class: Hash

Inherits:

Object

Instance Method Summary collapse



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# File 'lib/core_ext/hash.rb', line 2

def map_keys &blk
  map_keys_with_values { |k,v| blk.call(k) }
end

# File 'lib/core_ext/hash.rb', line 6

def map_keys_with_values &blk
  result = {}
  each { |k,v| result[blk.call(k,v)] = v}
  result
end



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# File 'lib/core_ext/hash.rb', line 12

def map_values &blk
  map_values_with_keys { |k,v| blk.call(v) }
end

# File 'lib/core_ext/hash.rb', line 16

def map_values_with_keys &blk
  result = {}
  each { |k,v| result[k] = blk.call(k,v)}
  result
end